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require "cases/helper"
require 'models/contact'
require 'models/post'
require 'models/author'
require 'models/tagging'
require 'models/tag'
require 'models/comment'
class JsonSerializationTest < ActiveRecord::TestCase
class NamespacedContact < Contact
column :name, :string
end
def setup
@contact = Contact.new(
:name => 'Konata Izumi',
:age => 16,
:avatar => 'binarydata',
:created_at => Time.utc(2006, 8, 1),
:awesome => true,
:preferences => { :shows => 'anime' }
)
end
def test_should_demodulize_root_in_json
@contact = NamespacedContact.new :name => 'whatever'
json = @contact.to_json
assert_match %r{^\{"namespaced_contact":\{}, json
end
def test_should_include_root_in_json
json = @contact.to_json
assert_match %r{^\{"contact":\{}, json
assert_match %r{"name":"Konata Izumi"}, json
assert_match %r{"age":16}, json
assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
assert_match %r{"awesome":true}, json
assert_match %r{"preferences":\{"shows":"anime"\}}, json
end
def test_should_encode_all_encodable_attributes
json = @contact.to_json
assert_match %r{"name":"Konata Izumi"}, json
assert_match %r{"age":16}, json
assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
assert_match %r{"awesome":true}, json
assert_match %r{"preferences":\{"shows":"anime"\}}, json
end
def test_should_allow_attribute_filtering_with_only
json = @contact.to_json(:only => [:name, :age])
assert_match %r{"name":"Konata Izumi"}, json
assert_match %r{"age":16}, json
assert_no_match %r{"awesome":true}, json
assert !json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
assert_no_match %r{"preferences":\{"shows":"anime"\}}, json
end
def test_should_allow_attribute_filtering_with_except
json = @contact.to_json(:except => [:name, :age])
assert_no_match %r{"name":"Konata Izumi"}, json
assert_no_match %r{"age":16}, json
assert_match %r{"awesome":true}, json
assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}))
assert_match %r{"preferences":\{"shows":"anime"\}}, json
end
def test_methods_are_called_on_object
# Define methods on fixture.
def @contact.label; "Has cheezburger"; end
def @contact.favorite_quote; "Constraints are liberating"; end
# Single method.
assert_match %r{"label":"Has cheezburger"}, @contact.to_json(:only => :name, :methods => :label)
# Both methods.
methods_json = @contact.to_json(:only => :name, :methods => [:label, :favorite_quote])
assert_match %r{"label":"Has cheezburger"}, methods_json
assert_match %r{"favorite_quote":"Constraints are liberating"}, methods_json
end
end
class DatabaseConnectedJsonEncodingTest < ActiveRecord::TestCase
fixtures :authors, :posts, :comments, :tags, :taggings
def setup
@david = authors(:david)
@mary = authors(:mary)
end
def test_includes_uses_association_name
json = @david.to_json(:include => :posts)
assert_match %r{"posts":\[}, json
assert_match %r{"id":1}, json
assert_match %r{"name":"David"}, json
assert_match %r{"author_id":1}, json
assert_match %r{"title":"Welcome to the weblog"}, json
assert_match %r{"body":"Such a lovely day"}, json
assert_match %r{"title":"So I was thinking"}, json
assert_match %r{"body":"Like I hopefully always am"}, json
end
def test_includes_uses_association_name_and_applies_attribute_filters
json = @david.to_json(:include => { :posts => { :only => :title } })
assert_match %r{"name":"David"}, json
assert_match %r{"posts":\[}, json
assert_match %r{"title":"Welcome to the weblog"}, json
assert_no_match %r{"body":"Such a lovely day"}, json
assert_match %r{"title":"So I was thinking"}, json
assert_no_match %r{"body":"Like I hopefully always am"}, json
end
def test_includes_fetches_second_level_associations
json = @david.to_json(:include => { :posts => { :include => { :comments => { :only => :body } } } })
assert_match %r{"name":"David"}, json
assert_match %r{"posts":\[}, json
assert_match %r{"comments":\[}, json
assert_match %r{\{"body":"Thank you again for the welcome"\}}, json
assert_match %r{\{"body":"Don't think too hard"\}}, json
assert_no_match %r{"post_id":}, json
end
def test_includes_fetches_nth_level_associations
json = @david.to_json(
:include => {
:posts => {
:include => {
:taggings => {
:include => {
:tag => { :only => :name }
}
}
}
}
})
assert_match %r{"name":"David"}, json
assert_match %r{"posts":\[}, json
assert_match %r{"taggings":\[}, json
assert_match %r{"tag":\{"name":"General"\}}, json
end
def test_should_not_call_methods_on_associations_that_dont_respond
def @david.favorite_quote; "Constraints are liberating"; end
json = @david.to_json(:include => :posts, :methods => :favorite_quote)
assert !@david.posts.first.respond_to?(:favorite_quote)
assert_match %r{"favorite_quote":"Constraints are liberating"}, json
assert_equal %r{"favorite_quote":}.match(json).size, 1
end
def test_should_allow_only_option_for_list_of_authors
ActiveRecord::Base.include_root_in_json = false
authors = [@david, @mary]
assert_equal %([{"name":"David"},{"name":"Mary"}]), ActiveSupport::JSON.encode(authors, :only => :name)
ensure
ActiveRecord::Base.include_root_in_json = true
end
def test_should_allow_except_option_for_list_of_authors
ActiveRecord::Base.include_root_in_json = false
authors = [@david, @mary]
assert_equal %([{"id":1},{"id":2}]), ActiveSupport::JSON.encode(authors, :except => [:name, :author_address_id, :author_address_extra_id])
ensure
ActiveRecord::Base.include_root_in_json = true
end
def test_should_allow_includes_for_list_of_authors
authors = [@david, @mary]
json = ActiveSupport::JSON.encode(authors,
:only => :name,
:include => {
:posts => { :only => :id }
}
)
['"name":"David"', '"posts":[', '{"id":1}', '{"id":2}', '{"id":4}',
'{"id":5}', '{"id":6}', '"name":"Mary"', '"posts":[{"id":7}]'].each do |fragment|
assert json.include?(fragment), json
end
end
def test_should_allow_options_for_hash_of_authors
authors_hash = {
1 => @david,
2 => @mary
}
assert_equal %({"1":{"author":{"name":"David"}}}), ActiveSupport::JSON.encode(authors_hash, :only => [1, :name])
end
def test_should_be_able_to_encode_relation
authors_relation = Author.where(:id => [@david.id, @mary.id])
json = ActiveSupport::JSON.encode authors_relation, :only => :name
assert_equal '[{"author":{"name":"David"}},{"author":{"name":"Mary"}}]', json
end
end
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